Home / 28,684.63-39,588.50-16,109.38

Finding the Fourth Proportional to 28,684.63, 39,588.50 and 16,109.38

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Solution

The fourth proportional to 28,684.63, 39,588.50 and 16,109.38 is: 22,233.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,684.63 : 39,588.50 = 16,109.38 : x
  2. Step 2: Convert to fraction form
    28,684.63/39,588.50 = 16,109.38/x
  3. Step 3: Cross multiply
    28,684.63x = 39,588.50 × 16,109.38
  4. Step 4: Simplify right side
    28,684.63x = 637,745,911.64
  5. Step 5: Solve for x
    x = 637,745,911.64/28,684.63
  6. Step 6: Final answer
    x = 22,233.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.